🕒 FCC license data updated today 9:45 am CDT · next update tomorrow 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI
KC0IGB HAM
✅
Available for a vanity request — free since Jun 13, 2003.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL:
no LoTW uploads on record
· not eQSL AG
· QRZ · HamQTH
Not currently held
· 1 holder on record
· available since Jun 13, 2003
Previous holder: David P Grezak
Held KC0IGB Jun 2, 1999 → Jun 12, 2001
· first licensed Jun 2, 1999 as KG4DNE
· 4 licenses · FRN 0002908622
KG4DNE
Active
General · vanity
Oct 21, 2016 → expires Oct 21, 2036
Licensee David P Grezak
Address 7950 LEGEND COURT Colorado Springs, CO 80920
38.9449, -104.7827 (street) · Grid
DM78ow · CQ 4 · ITU 7 ·
map ↗
FRN 0002908622
Previous call K0SSS (Technician Plus)
Last granted Jul 29, 2026
Effective Jul 29, 2026
Last action Jul 29, 2026
FCC actions (4)
Jul 29, 2026 — License renewed LIREN Nov 6, 2018 — Administrative update LIAUA Oct 21, 2016 — Vanity call sign granted VANGRT Oct 21, 2016 — License issued LIISS
K0SSS
Canceled
General · vanity
Jun 12, 2001 → Oct 21, 2016 (canceled)
Licensee David P Grezak
Address 7950 LEGEND COURT Colorado Springs, CO 80920
38.9449, -104.7827 (street) · Grid
DM78ow · CQ 4 · ITU 7 ·
map ↗
FRN 0002908622
Previous call KC0IGB (Technician Plus)
Last granted Mar 15, 2011
Effective Mar 15, 2011
Last action Oct 21, 2016
FCC actions (4)
Oct 21, 2016 — License canceled LICAN Mar 15, 2011 — License renewed LIREN Jul 23, 2008 — Administrative update LIAUA Jun 12, 2001 — License issued LIISS
KC0IGB
Canceled
General
Jun 2, 1999 → Jun 12, 2001 (canceled)
Licensee David P Grezak
Address 7950 LEGEND COURT Colorado Springs, CO 80920
38.9449, -104.7827 (street) · Grid
DM78ow · CQ 4 · ITU 7 ·
map ↗
FRN 0002908622
Previous call KG4DNE (Technician Plus)
Last granted Jun 2, 1999
Effective May 17, 2001
Last action Jun 12, 2001
FCC actions (3)
Jun 12, 2001 — License canceled LICAN May 17, 2001 — Administrative update LIAUA Jun 10, 2000 — License issued LIISS
KG4DNE
Canceled
Technician Plus
Jun 2, 1999 → Jun 10, 2000 (canceled)
Licensee DAVID P GREZAK
Address 3810 PATRICK DR APT #11 COLORADO SPRINGS, CO 80916
38.8025, -104.7087 (ZIP center) · Grid
DM78pt · CQ 4 · ITU 7 ·
map ↗
FRN 0002908622
Last granted Jun 2, 1999
Effective Mar 3, 2000
Last action Jul 29, 2026
FCC actions (4)
Jun 10, 2000 — License canceled LICAN Mar 3, 2000 — License modified LIMOD Jan 29, 2000 — Administrative update LIAUA Dec 15, 1999 — Administrative update LIAUA
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KG4DNE
DAVID P GREZAK
3810 PATRICK DR APT #11, COLORADO SPRINGS, CO 80916
38.8025, -104.7087 (ZIP center) · Grid
DM78pt · CQ 4 · ITU 7 ·
map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 121 snapshots · as KC0IGB
David P Grezak
7950 LEGEND COURT, Colorado Springs, CO 80920
38.9449, -104.7827 (street) · Grid
DM78ow · CQ 4 · ITU 7 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KC0IGB in the last 24 hours. They show up here within seconds of KC0IGB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB